What is .key file extension

What is .key file extension
The KEY format is widely used in the field of activation of license copies of applications. The use of this file format can be observed during the activation of various programs and antiviruses.

🤓 What is .key?

  • The KEY format is widely used in the field of activation of license copies of applications. The use of this file format can be observed during the activation of various programs and antiviruses. Quite often, a KEY file contains strings with encrypted keys, the presence of such information in KEY format facilitates the authentication of the installed or updated software.


📌 How to open the .key file?

  • File extensions are opened for applications that need to be used. For example, Kaspersky Anti-Virus or Avira Antivir may require the KEY to be opened during the user’s renewal of the licensed antivirus version. Open the KEY file in most utilities by specifying where it is located within the Windows system. It is worth noting that KEY files are, in most cases, necessary to extend the validity of a licensed product.


📚 Details about the .key  file.

  • If the user saves the KEY format in a computer from third-party sources, it is recommended to pretest the file with the KEY extension before opening it. The KEY file extension contained on external resources loaded into the PC may pose a virus threat to the system.

  • This type of file is used in various operating systems and serves as a confirmation of the extension or activation of the license agreement between the user and the developer for a certain period, which means the file .key can have a specified action term.


🗜 Popular file conversions.

  • Convert .key format with online converters to txt, pdf, and others on our website.

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